Curtain-roller.



0. A. GARMANY.

CURTAIN ROLLER. APPLICATION FILED MAR 21, 1910.

2 SHEETS-SHEET 11 INVENTOR A {35M Q. Gummy WITNESSES N "a? ATTORNEY G.A. GARMANY.

CURTAIN ROLLER.

APPLICATION FILED MAR. 21, 19104 2 1 9 1 2 H a J d 8 +U n m na D1 2SHEETS-SHEBT 2w WHWESSES INVENTOR QMAJK r W n a x 1 ATTORNEY ingprovision: first whereby the roller may.

UNITED STATES PATENT OFFICE.-

' CHARLES A. CARMANY, OF COATESVILLE, PENNSYLVANIA.

CURTAIN -ROLLER.

Specification of Letters Patent.

Patented Jan. 2,1912.

application filed March 21, 1910. Serial No. 550,583.

a citizen of the United States, residing at Coatesville, Chester county,Pennsylvania, have invented certain new and useful Improvements inCurtain-Rollers, of wh ch the following is a specification.

The object of my invention is to provlde a novel; simple and efiicientcurtain roller formed principally of sheet metal and havbe=shortened orlengthened as desired; secondly, whereby the roller may be supported torotate in suitable brackets; thirdly, whereby one end of a shade orcurtain may be readily attached to or removed. from the roller;fourthly, whereby the various parts of the roller maybe held in properrelation to each other; .and fifthly, whereby the roller may be actuatedby a spring controlled means. 'With the object thus generally stated theinvention will be hereinafter fully described and particularly pointedout in the claims.

In the drawings :Figure 1' is a front view of my improved roller. Fig. 2is a. front view of the upper end of a shade or curtain adapted to beattached to the roller. Fig. 3 is an edge view enlarged of the shadeshown in Fig. 2. Fig. 3 is an end view of the strip of metal detachedfrom the edge of the curtain. Fig. 4 is a view of the right hand end ofthe roller shown in Fig. 1, having the shade shown in Fig. 2 applied tothe roller. Fig. 5 is a perspective view of one of the end heads of theroller and the 'adjacent parts ofthe spring actuated means for rotating.Fig. 6 is a longitudinal section through the roller. Figs. 7, 8, 9, 10and 11 are transverse sections of the roller on lines 7-7, 88, 9-9,10-10 and 1111, respectively, of Fig. 6. Fig. 12 is a view of parts ofthe spring actuated mechanism forthe surrounding the other end of thebody section. The end section 3 is secured to the body section 2 bysoldering or other means .and the end section 4 is adapted to slide uponthe body section 2 in a manner to in crease or decrease the length ofthe roller as desired.

The body' section 2 is formed of sheet metal bentinto substantiallytubular form bringing its longitudinal edges adjacent each other andforming a slot 5 therebetween. The longitudinal edges of the bodysection 2 are bent inwardly and clenched upon the longitudinal edges ofa separate sheet metal strip 6 which is bent to form an undercut groove12 in the body section 2, as shown. The end section 4 is formedof sheetmetal bent into substantially tubular form around the body section 2 andhaving formed therein an undercut groove 13, the metal forming the samebeing fitted to and adapted to. slide within the undercut groove 12 ofthe body section 2. The longitudinal edges of the end section 4 are bentto overlap and embrace each other and are clenched together as at 14forming a seam. The body section 2 has bent or formed there- -in alongitudinal groove 15 to accommodate the seam 14 so that the outer faceof the end section 4 may be made smooth. The end sec tion 3 is formed ofsheet metal bent into substantially tubular form around the body section2, the longitudinal edges being bent inwardly around the edges of thebody section 2 as shown in Fig. 7. The outer end of the end section 4 isprovided with an end head ltihaving an inwardly extending peripheralflange 17 which is inclosed bv the end section 4. The inner end of theflange 17 abuts against the part of the section 4 of the end section 4forming the seam 14 which parts terminate inwardlv of the end of thesection 4 as shown in Fig. 6. The outer end of the end section 4 is bentinwardly over the outer end of the end head 16 thereby firrrly holdingthe end head in place as clearly shown in Fig. 6. The end head 16 isprovided with an undercut opening 18 therein which is in registry withthe undercut groove 13- and which forms in effect a continuationthereof.

From the foregoing description it will be seen that the undercut opening18 and the undercut grooves 12 and 13 form in effect a continuousundercut groove extending longitudinally of the roller and open at oneend.' This continuous groove is adapted to receive one end of a curtainprovided with a metal strip which I shall now describe,

forming the undercut groove 13 and parts referring to Figs. 2, 3 and 4.19 designates the upper portion of a curtain and 20 a metal stripsecured thereto. The longitudinal edge portions 22 and 23 of this stripof metal are bent toward each other, one edge portion 23 being inclose'dbetween the other edge portion 22 and the body of the strip 21. Thisbent strip of metal is en aged with one end of the curtain 19 by havingone end of the curtain 19 folded and inserted between the body 21 of thestrip and the outer edge portion 22 thereof in a manner to have thefolded end of the curtain embrace the inner edge portion 23 of the stripof metal, as clearly shown in Fig. 3, thereby holding I the end of thecurtain and metal strip 20 in secured to the body section 2.

positive engagement with each other. The outer edge portion 22 of thestrip of metal 20 is made narrower than the inner edge portion 23thereof so that the curtain 19 may extend substantially at right anglesfrom the central portion of the entire strip of metal 20 when the sameis inserted in the groove in the roller shown in Fig. 4. This metalstrip with the end of the curtain engaged therewith is adapted to beinserted longitudinally of the roller into the opening 18 in the endhead 16 and into the undercut grooves 12 and 13 of the sections 2 and 4respectively. The dimensions of the bent metal strip 20 and thedimensions of the undercut groove in the roller issuch that when the endof the curtain carrying the strip. of metal has been inserted therein itcannot be removed therefrom laterally of the roller through the undercutgroove, but can only be removed longitudinally of the roller and throughthe opening in the end head 16 thus preventing any liability ofaccidental disengagement of the curtain from the roller when inoperation.

The end sections 3 and 4 of the roller are of substantially equaldiameter to engage the outer edges of the curtain and insure its uniformwinding upon the roller as will be readily understood. The roller isprovided with a suitable spring actuated rotating means which I shallnow proceed to describe.

Extending centrally through the outer end of the body section 2 of theroller is a shaft 24 the inner end of which extends into an opening in ablock 25 located within and Located within the outer end of the shaft 24and secured thereto is the inner portion of a pin 27 the outer portionof which extends centrally through and beyond an end head 28 for'theendsection 3. This end head 28 is secured to the end section 3 and bodsection 2 as will be hereinafter describe and the pin 27 and shaft 24are fitted to the end head 28 and block 25 in a manner to permit theentire roller to be rotated independently of the shaft 24 and its pin27.

Arranged within the outer pro ecting end of the end section 3 andagainst the outer end of the body section 2 is a disk 29 which isprovided with an inwardly projecting collar 30 surrounding the shaft 24.The 1nner face of this disk 29 is provided with pro-. jecting arms 31which are engaged by one endo a torsion spring 32 surrounding the collar30 and shaft 24 and having its other end engaged with the'shaft 24 bybeing extended into a transverse slot 32 therein. The disk 29 isprovided with an opening 33 into which the bent edges of the end section3 extend in a manner to engage the wall of the opening 33 and cause thedisk 29 to 'rotate with the roller.

Arranged against the outer face of the disk 29 is a disk or member 34,the outer face of which is engaged by the inner edge of a flange 35projecting from the end head 28 in a manner to hold the end head inspaced relation to the member 34. The flange 35 is provided with anopening or notch '35 to receive the inturned edges of the end section 3,as shown. The outer end of the end section 3 is bent inwardly againstthe outer face of the end head 28 to firmly hold or clamp the end head28 and disks 29 and 34 between the outer end of the body section 2 andthe inturned edge of the end section 3. Extending from the member ordisk 34 into the space within the flange 35 are two pairs of flanges 36and 37, which extend tangentially with respect to the shaft 24 and whichform pockets 38 and 39. Within each pocket 38 and 39 is arranged a ball40, each' ball 40 being adapted to roll within its pocket toward andfrom the pin 27 of the shaft 24. The pin 27 is provided with acollar 41arranged between the pockets 38 and 39 and the collar 41 has notches cuttherein, forming teeth 42 upon the collar. The balls 40 are adapted toengage the teeth 42 of the collar 40 and the flanges 36 and 37 of themember 29 in a manner to prevent the rotation of the member undercertain conditions as will be hereinafter explained. The disk or member34 is provided with an opening 43. therein, the walls of which areengaged by the inturned longitudinal edges of the end section 3 to causethe rotation of the member 34 with the roller.

The outer end of the pin 27 of the shaft 24 is flattened andis adaptedto be inserted into the slot of a bracket of well known construction inthe curtain fixture art, which bracket is adapted, as'is well known, notonly to support the outer end of the shaft 24 but also to prevent therotation thereof by the engagement of the flattened end of the pin 27with the walls of the slot in the bracket. The end head 16 is providedwith a projecting pin 44 which is adapted to be inserted into an openingin a bracket which is also of well known-construction in the curtainfixture art. Thus the two ends of the curtain. roller may be so that thepins 27 ported by the pins and 4% when the rol er is in operation.

The operation is as follows :Assuming and 44 are supported bysuitablefixtures as previously described, it will be seen that theroller may be rotated and that the shaft 24 will remain stationary. Thecurtain 19 is so wound upon the roller that in lowering or unwinding thecurtain from the roller, the roller will be turned in the direction ofthe full line arrow in Fig. 11, and the spring 32 will. be wound uponthe shaft 24. After the curtain has been unwound or lowered to thedesired extent and is released, one of the balls 40 will roll into oneof the notches in the collar 41, and will be engaged by one of the teeth42 of the collar and onset the flanges 36 or 37, in a manner to locktheroller in position upon the shaft 24 and prevent the action of thespring 32 from rotating the roller to rewind the curtain thereupon. Whenit is desired to permit the spring 32 to rotate the roller and rewindthe curtain, the curtain is first drawn downwardly against the action ofthe spring and is then permitted to move upwardly with such speed thatit will permit the spring 3240 rotate the roller with sufiicient speedand maintain the balls 40 in the outer portions of the pockets 88 and 39and prevent. the engagement of the balls 40 with the teeth 42 ofthe-collar 41 until the curtain has reached the desired position,whereupon, by retarding the movement of the curtain, the speed of theroller being turned by the spring 32 will be decreased sufficiently topermit one of the balls 40 to reengage one of the teeth 42 and preventthe further rotation of the roller by the action of the spring aspreviously explained.

I claim y 1. In a curtain roller and in combination, a body section, anend section formed of sheet metal and surrounding one end of the bodysection, an end section formed of sheet metal and surrounding the otherend of the body section, and end heads for the outer ends of said endsections, said end sections being'of substantially equal diameter andhaving parts engaging the inner faces of said end heads, and parts bentinto engagement with the outer faces of said end heads andretaining themin place.

2. In a curtain rollerand in combination, a body including a sectionformed of sheet metal and having a longitudinal groove therein; and anend head for said section having an opening hereinextending to the outerwall of the end head and in registry with said groove and permitting oneend of a curtain to be passed longitudinally of the roller through saidgroove and said opening; said section having a part preventing inwardmovement of said end head, and a part bent into engagement with said endhead and preventing outward movement thereof. P

3. The combination of a curtain roller provided with a longitudinalgroove having two parallel undercut sides openat one end thereof andbeing prevented from being removed from the roller laterally thereof bythe two undercut sides of the groove. 0

4. The combination of 'a curtain roller provided with a longitudinalgroove having two parallel undercut sides open at one end of the roller,and a curtain having a strip of metal folded upon one end thereof andarranged within said groove and having its sides extending into theundercut sides of the groove, said strip having its longitudinal edgeportions bent toward each other, one edge portion being inclosed betweenthe other edge portion and the body of the strip and the outer edgeportion being narrower than the body of the strip, said curtain having afolded end embracing the inneredge portion of the strip, said stripbeing movable into and from said groove through the end thereof andbeing prevented from being removed from the roller laterally thereof bythe two undercut sides of the groove.

5. In a curtain roller and in combination two telescopic sections formedof sheet metal one section extending into the other, said sectionshaving grooved portions fitted to each other, the outer section beingformed of single piece of metal having its longitudinal edges bent intoengagement .with each other forming a seam, and the inner section havinga second groove formed therein into which said seam extends.

6. In a curtain roller and in combination two telescopic sections formedof sheet metal one section extending into the other, said sectionshaving grooved portions fitted to each other, the grooved portion ofthe-inner section being formed of a strip of metal separate from themain body of the inner sec tion and having its longitudinal edges,

clenched between the main body of the inner section and the inturnededges thereof.

7 In a curtain roller and in combination two telescopic sections formedof sheet metal one section extending into the other, said sectionshaving grooved portions fitted to each other, the grooved portion of theinner section being formed of a strip of metal separate from the mainbodyof the inner section and having its longitudinal edges clenchedbetween the main body of the inner section and the inturned edgesthereof, the.

outer section being formed ofv single piece into engagement with eachother forming a seam, and the inner section having a grooveformedthereln into which said seam extends.

8. The combination of a curtain roller including a body section formedof sheet metal and an end section formed of sheet metal surrounding thebody portion and extending beyond one end thereof, said end sectionbeing secured to the body sectionyan end head for the endsection; meansfor holding the end head in lace; and spring actuated rotating means orthe body portion, said means including a. part prevented'from mov- 15ing outwardly by; said end head and pre: vented from moving inwardly bysaid body section. A In testimony whereof I aflix'my signature in thepresence of two witnesses.-

CHARLES A. CARMANY. Witnesses: u.

F. P. Z001;

. HARRY S. oonwAnn.

